Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
theo lieu » theo tieu, theo chieu, theo yeu
lieu tinh » trieu tinh, diep tinh, bien tinh
tang vat » tang van, dang vat, bang vat
thang va » hang va, trang va, thong va
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap
tang va » trang va, tang van, hang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo lieu tinh - hanh ((((tang va) or (tang vat))) or (thang va)) thuong cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo lieu tinh - hanh ((((tang va) OR (tang vat))) OR (thang va)) thuong cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: theo lieu tinh - hanh ((((tang va) or (tang vat))) or (thang va)) thuong cong tac toan cao*.