Perhaps you should try some spelling variations:
theo tien » theo tieu, theo tcvn, tien tien
thuc tien » thuc hien
hanh nhan » thanh nhan, danh nhan, anh nhan
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cao » toan ban, toan tap
nhan tu » nhanh tu, phan tu, nhan su
tu cong » thu cong, te cong, tai cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tien) OR (thuc tien)) lang - hanh nhan tu cong ((cong tan) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tien) OR (thuc tien)) lang - hanh nhan tu cong ((cong tan) OR (cong san)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tien) OR (thuc tien)) lang - hanh nhan tu cong ((cong tan) or (cong san)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ((theo tien) OR (thuc tien)) lang - hanh nhan tu cong ((cong tan) or (cong san)) toan cao*.