Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh thong » anh thong, hanh trong, hang thong
hoc thieu » toc thieu, hoc hien
thong tu » phong tuc, thong tin, thong ke
cong san » cong tac
toan ban » van ban
tu dung » tuc dung, tu duong, su dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - hanh thong tu dung ((cong trinh) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh thong tu dung ((cong trinh) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh thong tu dung ((cong trinh) or (cong san)) toan ban*.