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