Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
manh toan » thanh toan, anh tuan, tinh toan
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
trinh va » trinh van, trinh vat, trinh ve
dan than » dan chan, ban than, van than

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 manh - hanh trinh va nhung cong ((dan than) or (manh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu manh - hanh trinh va nhung cong ((dan than) OR (manh toan)) ban*.