Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
nhan thong » nhan trong, nha thong, nhan khong
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
luong van » duong van, luong vat, luong quan
hoc hieu » hoc thieu, hoc hien, doc hieu
luong va » dung va

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) or (canh tranh)) nhan thong cong ((luong van) OR (luong va)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((hanh trinh) OR (canh tranh)) nhan thong cong ((luong van) OR (luong va)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - ((hanh trinh) or (canh tranh)) nhan thong cong ((luong van) OR (luong va)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((hanh trinh) or (canh tranh)) nhan thong cong ((luong van) OR (luong va)) ban*.