Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh manh » hanh mang, lanh manh, hoang manh
manh qua » manh quan, manh cua, danh qua
qua dung » quang dung, su dung, qua song
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan tap » toan 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 manh qua dung ((cong tan) or (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh manh qua dung ((cong tan) OR (cong san)) toan tap.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh manh qua dung ((cong tan) or (cong san)) toan tap*.