Perhaps you should try some spelling variations:
xach tay » canh tay
sach thu » sach thue, sach thieu, sach tham
hanh dai » hanh tai, hanh dao, vanh dai
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
soc va » loc va, doc va, goc va
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 ((xach tay) or (sach thu)) nang xa hoi. hieu va cham ((soc va) OR (hoc va)) hanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((xach tay) OR (sach thu)) nang xa hoi. hieu va cham ((soc va) OR (hoc va)) hanh dai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((xach tay) or (sach thu)) nang xa hoi. hieu va cham ((soc va) OR (hoc va)) hanh dai cua te*".