Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
hanh dung » thanh dung, anh dung, manh dung
hanh dong » anh dong, ha dong
cong manh » duong manh, cong thanh, hoang manh
cong danh » cuong danh, cong dan, cong thanh
theo chu » theo chieu, cho chu, chao chu
toan cau » toan cao, toan ban, toan tap
chu van » cuu van, chu han

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 van - ((hanh dung) OR (hanh dong)) luan nhung ((cong manh) or (cong danh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu van - ((hanh dung) OR (hanh dong)) luan nhung ((cong manh) OR (cong danh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu van - ((hanh dung) OR (hanh dong)) luan nhung ((cong manh) or (cong danh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chu van - ((hanh dung) OR (hanh dong)) luan nhung ((cong manh) or (cong danh)) toan cau*.