Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
nhung cong » dung cong, hang cong, nhung don
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hoc tieu » hoc thieu, hoc dieu, hoc sieu
tranh ve » trinh ve, thanh ve, tranh va
dan toan » van toan, dan than, manh 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 tieu tinh - canh tranh ve ((nhung cong) or (thong cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tieu tinh - canh tranh ve ((nhung cong) OR (thong cong)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc tieu tinh - canh tranh ve ((nhung cong) or (thong cong)) dan toan cao*.