Perhaps you should try some spelling variations:
hanh dung » thanh dung, anh dung, manh dung
hanh dong » anh dong, ha dong
luan nang » luan van, van nang, luan san
nang cong » nang song, dang cong, bang cong
chao chu » cho chu, cua chu, cao cho
chu sach » cau sach, thu sach, chieu sach
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao chu sach - ((hanh dung) or (hanh dong)) luan nang cong tap toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu sach - ((hanh dung) OR (hanh dong)) luan nang cong tap toan tap.
• Adding a wildcard symbol may retrieve word variants: chao chu sach - ((hanh dung) or (hanh dong)) luan nang cong tap toan tap*.