Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
hoang van » hang va
nhanh cau » nhanh cay, thanh chau, nhanh ha
hoc hieu » hoc thieu, hoc hien, doc hieu
cong van » cong vang, cong san, song van
cong tan » cong tac, cong san, cong thanh

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

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