Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hien cac » thien cac, vien cac, hieu cac
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
nuoc van » nuoc va, nuoc san, luoc van
van hanh » van thanh, ban hanh, van anh
hanh dai » hanh tai, hanh dao, vanh dai
sach ly » sach y, sach ty, sach hay
sach lo » sach dao, sach doi, sach hoi
nang xa » nang x, lang xa, nang ma
cua tu » cua tuc, cua su, cua cu

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 ly) OR (sach lo)) nang xa hoi. hieu hien cac nuoc van hanh dai cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ly) OR (sach lo)) nang xa hoi. hieu hien cac nuoc van hanh dai cua tu".
• Adding a wildcard symbol may retrieve word variants: te ((sach ly) OR (sach lo)) nang xa hoi. hieu hien cac nuoc van hanh dai cua tu*.