Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu
tranh cua » doanh cua, manh cua
cong cong » cong dong, trong cong, dung cong
hoc hieu » doc hieu, hoc dieu, hoc sieu
cong dan » cong san, cong tan, huong dan
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 hieu) or (((hoc thieu) or (hoc hien)))) manh - hanh tranh cua cong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (((hoc thieu) OR (hoc hien)))) manh - hanh tranh cua cong cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) or (((hoc thieu) or (hoc hien)))) manh - hanh tranh cua cong cong dan toan cao*.