Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong cong » phuong dong, phong cong, phung cong
hanh trang » canh tranh, hanh trinh, minh trang
hieu manh » chieu xanh, hieu nganh, dieu hanh
va phuong » va thuong, cac phuong
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tac » cong ty
tac van » tac vang, cac van, tac 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 trang) or (thanh trung)) va phuong cong tac van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((hanh trang) OR (thanh trung)) va phuong cong tac van ban.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((hanh trang) or (thanh trung)) va phuong cong tac van ban*.