Perhaps you should try some spelling variations:
hang luong » nang luong, hang thuong, hoang vuong
hanh luong » thanh huong, thanh cuong, thanh duong
quang dung » quang trung, ung dung, cuong dung
trong manh » trong minh, trong anh, trong mach
manh toan » thanh toan, anh tuan, tinh toan
doc hieu » toc thieu, hoc thieu
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (hoc hien)) manh - ((hanh luong) OR (hang luong)) quang dung trong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc hien)) manh - ((hanh luong) OR (hang luong)) quang dung trong manh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (hoc hien)) manh - ((hanh luong) OR (hang luong)) quang dung trong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc hien)) manh - ((hanh luong) OR (hang luong)) quang dung trong manh toan cao*.