Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
trinh han » trinh quan
han nhung » hanh nhung, hon nhung, ban nhung
cong tac » cong ty
toan cao » toan ban, toan tap

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 trinh han nhung ((cong tac) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh han nhung ((cong tac) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh han nhung ((cong tac) or (cong san)) toan cao*.