Perhaps you should try some spelling variations:
thai tren » thai tran, thi tren, thai trang
chau tre » chay tren, chau tho, cho tre
hanh lam » thanh lap, hanh kem, hanh va
ban hanh » ban hang
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
tu sach » thu sach, su sach, tu cach
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
te sach » toc sach
ve cac » va cac, vien cac
x hoi » xa hoi, o hoi, x ho

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) OR (te sach)) ty nang x hoi. hieu ve cac xuc ban hanh lam ((chau tre) or (thai tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ty nang x hoi. hieu ve cac xuc ban hanh lam ((chau tre) OR (thai tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ty nang x hoi. hieu ve cac xuc ban hanh lam ((chau tre) or (thai tren))".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) ty nang x hoi. hieu ve cac xuc ban hanh lam ((chau tre) or (thai tren))*.