Perhaps you should try some spelling variations:
theo tien » theo tieu, thuc tien, theo tcvn
tien lang » tien long, ten lang, tien luong
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 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 lang - hanh nhan tu cong ((cong tan) OR (cong san)) toan cao".
• Adding a wildcard symbol may retrieve word variants: theo tien lang - hanh nhan tu cong ((cong tan) OR (cong san)) toan cao*.