Perhaps you should try some spelling variations:
tranh quan » tranh quang, trinh quan, tranh luan
quan nhung » qua nhung, cua nhung, luan chung
nhung cong » dung cong, thong cong, hang cong
tieu danh » dieu danh, tiep danh, thien danh
thanh lap » thanh san, phan lap, thanh hai
cong dan » cong san, cong tan, huong dan
toan tap » 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: theo tieu danh - canh tranh quan nhung cong dan ((thanh lap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu danh - canh tranh quan nhung cong dan ((thanh lap) OR (toan tap))*.