Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
hien quan » thien quan, vien quan, hieu quan
tuong cua » truong cua, huong cua, luong cua
thong cua » thong quan, thong tu, huong cua
cong dan » cong san, cong tan, huong dan
dan cao » dan ca, dam cao, dan bao
cao cap » cao chat
lien » bien, vien, tien

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien quan) or (lien quan)) - thanh ((tuong cua) or (thong cua)) khong cong dan cao cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien quan) OR (lien quan)) - thanh ((tuong cua) OR (thong cua)) khong cong dan cao cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien quan) or (lien quan)) - thanh ((tuong cua) or (thong cua)) khong cong dan cao cap*.