Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
suat trong » suat thong, luat trong, thuat trong
hanh nang » anh nang, ganh nang, hanh mang
cong san » cong tac
san nhan » van nhan, ban nhan, sat nhan
nhan tai » hang tai, van tai, toan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (chieu xanh)) - hanh nang suat trong cong san nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - hanh nang suat trong cong san nhan tai*.