Perhaps you should try some spelling variations:
hoc trong » hoc thuong, hoc tieng, dot trong
hoa khong » khoi khong, hoa cong, he khong
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
yen tinh » tuyen tinh
toan cao » toan ban, toan tap
ho yen » o yen, chao yen, hong yen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho yen tinh - canh tranh ((hoc trong) or (hoa khong)) cong danh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho yen tinh - canh tranh ((hoc trong) OR (hoa khong)) cong danh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho yen tinh - canh tranh ((hoc trong) or (hoa khong)) cong danh toan cao*.