Perhaps you should try some spelling variations:
thanh may » thanh tay, thanh mau, thanh lay
doc sach » hoc sach, toc sach, nuoc sach
hanh may » hanh ma, hanh mau, hanh ngay
te sach » toc sach
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu va, hieu van
cao duc » dao duc, cao suc, giao duc
ve cao » va cao, ve bao, ve cac
y nang » ky nang, ly nang, v nang
cua te » cua tu

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 (doc sach)) y nang cao hoi. hieu ve cao duc va ((thanh may) or (hanh may)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (doc sach)) y nang cao hoi. hieu ve cao duc va ((thanh may) OR (hanh may)) cua te.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (doc sach)) y nang cao hoi. hieu ve cao duc va ((thanh may) or (hanh may)) cua te*.