Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
chat xuc » chat huu, chao xu, chat cua
nang xay » nganh xay, nang xuan, nang cao
phan luu » phan huu, phap luu, thanh luu
dang xay » dang van, van xay
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
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 ky ((nang xay) or (dang xay)) hoi. hieu ve ((chat xuc) OR (cam xuc)) gia thanh phan luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((nang xay) OR (dang xay)) hoi. hieu ve ((chat xuc) OR (cam xuc)) gia thanh phan luu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((nang xay) or (dang xay)) hoi. hieu ve ((chat xuc) OR (cam xuc)) gia thanh phan luu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((nang xay) or (dang xay)) hoi. hieu ve ((chat xuc) OR (cam xuc)) gia thanh phan luu tre*.