Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
canh trinh » canh tranh, hanh trinh, canh tinh
trinh van » trinh han, trinh quan, trinh toan
van nhung » van nhuong, va nhung, van hung
theo chu » theo chieu, cho chu, chao chu
chu lang » chi lang, chu bang, cho lang
cong san » cong tac
toan cau » toan cao, toan ban, toan tai
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 chu lang - canh trinh van nhung cong san ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu lang - canh trinh van nhung cong san ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo chu lang - canh trinh van nhung cong san ((toan cau) or (toan tap))*.