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