Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
canh trinh » canh tranh, hanh trinh, canh tinh
cho tuyen » tho tuyen, cho chuyen, so tuyen
trinh vat » trinh van, trinh luat, sinh vat
dung cong » dung trong
ho tuyen » ho truyen, hoc tuyen, hop tuyen
van toan » van tuan, van tan, van thanh
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: ((ho tuyen) or (cho tuyen)) tinh - canh trinh vat ((nhung cong) or (dung cong)) van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho tuyen) OR (cho tuyen)) tinh - canh trinh vat ((nhung cong) OR (dung cong)) van toan tap.
• Adding a wildcard symbol may retrieve word variants: ((ho tuyen) or (cho tuyen)) tinh - canh trinh vat ((nhung cong) or (dung cong)) van toan tap*.