Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
toc sach » hoc sach, doc sach, nuoc sach
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
nang xa » nang x, lang xa, nang ma
tu nang » tru nang, tu nong, tu nano
ve cac » va cac, vien cac
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (((toc sach) OR (thuoc sach)))) tu nang xa hoi. hieu ve cac xuc van hanh vai cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (((toc sach) OR (thuoc sach)))) tu nang xa hoi. hieu ve cac xuc van hanh vai cua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (((toc sach) OR (thuoc sach)))) tu nang xa hoi. hieu ve cac xuc van hanh vai cua cu".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (((toc sach) OR (thuoc sach)))) tu nang xa hoi. hieu ve cac xuc van hanh vai cua cu*.