Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hoc trieu » hoc thieu, hoc tieu, hoc dieu
trinh qua » trinh quan, trinh cua, trinh quang
qua nhung » quan nhung, cua nhung, qua chung
dan than » dan chan, ban than, van than
van toan » van tuan, van thanh, manh toan
van tan » van tuan, van ban, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc trieu tinh - hanh trinh qua nhung cong ((dan than) or (((van toan) or (van tan)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc trieu tinh - hanh trinh qua nhung cong ((dan than) OR (((van toan) OR (van tan)))) cau.
• Adding a wildcard symbol may retrieve word variants: hoc trieu tinh - hanh trinh qua nhung cong ((dan than) or (((van toan) or (van tan)))) cau*.