Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
dang cong » dung cong
cong vang » cong lang, cong quang, cong ngang
vang khan » dang khanh, van phan, van khanh
theo chu » theo chieu, cho chu, chao chu
cua dang » cua cong, cua ban
khan cap » khan ap, than cap, khoan cam

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) or (theo chu)) xanh - canh tranh cua dang cong vang khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (theo chu)) xanh - canh tranh cua dang cong vang khan cap.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (theo chu)) xanh - canh tranh cua dang cong vang khan cap*.