Perhaps you should try some spelling variations:
tieu tinh » trieu tinh, tieu trinh, lieu tinh
dung cong » dung trong
tang cua » mang cua, tang luan, thong cua
hang cua » mang cua, hang ca, huong cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: theo tieu tinh - anh ((tang cua) or (hang cua)) dung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - anh ((tang cua) OR (hang cua)) dung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - anh ((tang cua) or (hang cua)) dung cong tan toan cau*.