Perhaps you should try some spelling variations:
thieu nien » thien nhien
hieu vien » hieu hien, hieu viec, hieu tieng
ban thanh » ban hanh, ban hang
thanh doi » thanh loi, thanh moi, thanh do
te sach » toc sach
cao hoc » co hoc, cho hoc, chat hoc
chao vu » chao xu, cao vu, chao chu
doi cua » dai cua, hoi cua
y nang » ky nang, ly nang, v nang
vu ban » tu ban, va ban
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 y nang cao hoc. ((hieu vien) OR (thieu nien)) chao vu ban thanh doi cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang cao hoc. ((hieu vien) OR (thieu nien)) chao vu ban thanh doi cua tu".
• Adding a wildcard symbol may retrieve word variants: te sach y nang cao hoc. ((hieu vien) OR (thieu nien)) chao vu ban thanh doi cua tu*.