Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc trieu » hoc thieu, hoc tieu, hoc dieu
tranh cua » manh cua
doanh cua » doanh luan
van quan » van ban
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, 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 trieu tinh - canh ((tranh cua) or (((doanh cua) or (van quan)))) thong cong tan tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc trieu tinh - canh ((tranh cua) OR (((doanh cua) OR (van quan)))) thong cong tan tran ban.
• Adding a wildcard symbol may retrieve word variants: hoc trieu tinh - canh ((tranh cua) or (((doanh cua) or (van quan)))) thong cong tan tran ban*.