Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh tang » trinh trang, trinh tong, trinh bang
tang cuong » nang luong
duong dan » duong dang, huong dan, dung dan
duong van » duong va, luong va, dang van
theo chu » theo chieu, cho chu, chao chu
chu nang » chuc nang, chua nang, cuu nang
than cap » khan cap, thanh lap, thanh cac

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 nang - hanh trinh tang cuong ((duong dan) or (duong van)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu nang - hanh trinh tang cuong ((duong dan) OR (duong van)) than cap.
• Adding a wildcard symbol may retrieve word variants: theo chu nang - hanh trinh tang cuong ((duong dan) or (duong van)) than cap*.