Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chieu tinh » lieu tinh, chau tinh, kieu tinh
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van 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 ((thieu xanh) or (((chieu tinh) or (trieu tinh)))) - canh tranh cua nhung cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (((chieu tinh) OR (trieu tinh)))) - canh tranh cua nhung cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (((chieu tinh) or (trieu tinh)))) - canh tranh cua nhung cong tan toan cao*.