Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh hong » thanh huong, thanh hoang, thanh cong
gap trong » ap trong, gay trong, lap trong
hong gap » thuong gap, hong giai, hong ha
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
ha tinh » va tinh, may tinh

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) or (((chieu tinh) or (ha tinh)))) - thanh hong gap trong cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chieu tinh) OR (ha tinh)))) - thanh hong gap trong cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((chieu tinh) or (ha tinh)))) - thanh hong gap trong cong tan toan cao*.