Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
hieu van » hieu va, thien van, lieu va
phan luu » phan huu, phap luu, thanh luu
va thanh » gia thanh, ban thanh, va tinh
chat xuc » chat huu, cam xuc, chao xu
nang xay » dang xay, nganh xay, nang xuan
luu tre » luu tru, cuu tre, luy tre
sach ky » sac ky, sach y, sach kem
hieu ve » hieu va
xay hoi » xa hoi, tay hoi, cay phoi
sach ty » sach y, sach tu, sach thu
xuc va » duc va, tuc va, luc va

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