Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » thong cong, hang cong, nhung don
kieu tinh » lieu tinh, trieu tinh, diep tinh
chau tinh » cuu tinh, ha tinh, cua tinh
trung hai » trung ha, trung dai, trong hai
dung cong » dung trong
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((kieu tinh) or (chau tinh)) - thanh trung hai ((nhung cong) or (dung cong)) tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((kieu tinh) OR (chau tinh)) - thanh trung hai ((nhung cong) OR (dung cong)) tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((kieu tinh) or (chau tinh)) - thanh trung hai ((nhung cong) or (dung cong)) tac toan ban*.