Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh mang » nhanh mang, hanh trang, nhanh lang
mang luan » tang luan, hang luan, bang luan
luan han » luan hoan, luan phan, luan van
nong tac » dong tac, nong tan, tuong tac
cong tac » cong ty
toan ban » van ban
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - hanh mang luan han ((nong tac) or (cong tac)) ((toan ban) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh mang luan han ((nong tac) OR (cong tac)) ((toan ban) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh mang luan han ((nong tac) or (cong tac)) ((toan ban) or (phan dau))*.