Perhaps you should try some spelling variations:
thanh tung » thanh cong
chieu tinh » trieu tinh, lieu tinh, chau tinh
dung cong » dung trong
cong toan » cong tan, cong hoan, cong tuan
toan phan » thanh phan, toan ban, hoa phan
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
cua dung » cua dang, cua dong, qua dung
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tinh - ((((anh tang) or (canh tranh))) or (thanh tung)) cua dung cong toan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((((anh tang) OR (canh tranh))) OR (thanh tung)) cua dung cong toan phan dau.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - ((((anh tang) or (canh tranh))) or (thanh tung)) cua dung cong toan phan dau*.