Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
cua trong » cua truong, cua trung, ca trong
qua trong » quan trong, qua trinh, qua cong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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: hoc chieu xanh - canh tranh ((cua trong) or (((qua trong) or (qua song)))) cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh tranh ((cua trong) OR (((qua trong) OR (qua song)))) cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh tranh ((cua trong) or (((qua trong) or (qua song)))) cong tac toan cao*.