Perhaps you should try some spelling variations:
thanh tung » thanh cong
luat cong » thuat cong, luat chung, cua cong
tran cong » tran hong, trien cong, tran hoang
trong van » trong cac
van thong » van thuong, van phong, va thong
thong cap » thong cac, trung cap, thong cua
chi sach » chinh sach, chieu sach, co sach
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - thanh tung ((luat cong) or (tran cong)) trong van thong cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh tung ((luat cong) OR (tran cong)) trong van thong cap*.