Perhaps you should try some spelling variations:
hieu cao » chieu cao, hieu cac, hieu ca
chat tuc » chat xuc, luat tuc, chat huu
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
tuc van » thuc van, truc van, tuc va
dai cuu » dai huu
x hoi » o hoi, x ho, 5 hoi

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 ky nang ((x hoi) or (xa hoi)). hieu cao chat tuc van hanh ((dai cuu) OR (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((x hoi) OR (xa hoi)). hieu cao chat tuc van hanh ((dai cuu) OR (dai cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang ((x hoi) or (xa hoi)). hieu cao chat tuc van hanh ((dai cuu) OR (dai cua)) tre*".