Perhaps you should try some spelling variations:
kieu tinh » lieu tinh, trieu tinh, diep tinh
hanh dung » thanh dung, anh dung, hanh dong
bang cong » dang cong, hang cong, dung cong
bang song » nang song
manh toan » thanh toan, anh tuan, tinh toan
cua tinh » cua sinh, va tinh, ha tinh
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 ((kieu tinh) or (cua tinh)) - hanh dung luan ((bang cong) or (bang song)) manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((kieu tinh) OR (cua tinh)) - hanh dung luan ((bang cong) OR (bang song)) manh toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((kieu tinh) or (cua tinh)) - hanh dung luan ((bang cong) or (bang song)) manh toan cao*.