Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
cong thinh » cong trinh, cong thanh, cong tinh
thinh doan » chinh doanh, hinh toan, thi doan
thien anh » thien danh, tien anh, thien chanh
van hang » van khang, van hoang, van thang
doan cap » doanh cao, dan ca, toan cao
va hang » va nang, va lang, va hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thien anh) or (thien thanh)) - canh tranh ((va hang) OR (van hang)) cong thinh doan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thien anh) OR (thien thanh)) - canh tranh ((va hang) OR (van hang)) cong thinh doan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thien anh) or (thien thanh)) - canh tranh ((va hang) OR (van hang)) cong thinh doan cap".
• Adding a wildcard symbol may retrieve word variants: toc ((thien anh) or (thien thanh)) - canh tranh ((va hang) OR (van hang)) cong thinh doan cap*.