Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh mang » nhanh mang, hanh trang, nhanh lang
dung cong » dung trong
mang xay » mang may, dang xay, mang xa
cong tac » cong ty
tran ban » tranh ban, tran van, tran bai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh mang xay dung cong tac ((tran ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh mang xay dung cong tac ((tran ban) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh mang xay dung cong tac ((tran ban) or (toan ban))*.