Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
hoc chieu » hoc thieu, ho chieu, hoc dieu
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
cong tap » cuong tap, cong tac, cong tan
toan tap » toan ban
toan cao » toan ban

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

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