Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong vang » cong lang, cong quang, cong ngang
hoang van » hang va
theo yeu » theo tieu, thiet yeu, theo chu
yeu tinh » yeu tin, lieu tinh, kieu tinh
cong van » cong san, song van, cong tan
toan ban » van 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 yeu tinh - hanh trinh cua nhung ((((cong van) or (cong vang))) or (hoang van)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo yeu tinh - hanh trinh cua nhung ((((cong van) OR (cong vang))) OR (hoang van)) toan ban.
• Adding a wildcard symbol may retrieve word variants: theo yeu tinh - hanh trinh cua nhung ((((cong van) or (cong vang))) or (hoang van)) toan ban*.