Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
nang xay » dang xay, nganh xay, nang xuan
va thanh » gia thanh, ban thanh, va tinh
chat huu » pham huu
chat xuc » cam xuc, chao xu, chat cua
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
van luu » von luu, van lu, van luc
hieu ve » hieu van
hieu va » lieu va, hieu qua
xay hoi » xa hoi, tay hoi, cay phoi
ty nang » ky nang, ty xang, ty hang
luu tre » luu tru, cuu tre, luy tre

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty nang xay hoi. ((hieu ve) OR (hieu va)) ((chat xuc) or (chat huu)) va thanh van luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xay hoi. ((hieu ve) OR (hieu va)) ((chat xuc) OR (chat huu)) va thanh van luu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xay hoi. ((hieu ve) OR (hieu va)) ((chat xuc) or (chat huu)) va thanh van luu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xay hoi. ((hieu ve) OR (hieu va)) ((chat xuc) or (chat huu)) va thanh van luu tre*.