Perhaps you should try some spelling variations:
chua xang » chua nang, chuc nang, chu bang
hanh dung » thanh dung, anh dung, hanh dong
luan nang » luan van, van nang, luan san
nang nong » nang song, hang nong, nang dong
nong vang » nong van, cong vang, song van
vang toan » van toan, dang toan, quang toan
chu manh » ho manh, chu han, chu van
toan cau » 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: theo ((chu manh) or (chua xang)) - hanh dung luan nang nong vang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu manh) OR (chua xang)) - hanh dung luan nang nong vang toan cau*.