Perhaps you should try some spelling variations:
thanh tung » thanh cong
tung thanh » trung thanh, tang thanh, dung thanh
nhung cong » dung cong, thong cong, nhung don
tinh dinh » trinh dinh, tinh ninh, tinh binh
hang cong » dang cong, hang nong, bang cong
hoi tinh » vi tinh, bi tinh, ha tinh
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi tinh dinh - thanh tung thanh ((nhung cong) or (hang cong)) san ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi tinh dinh - thanh tung thanh ((nhung cong) OR (hang cong)) san ((toan cau) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoi tinh dinh - thanh tung thanh ((nhung cong) or (hang cong)) san ((toan cau) or (van ban))*.