Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
chau tinh » cuu tinh, ha tinh, cua tinh
dung cong » dung trong
hang cua » hang ca, huong cua, thong cua
mang cua » manh cua, dung cua, ban cua
cong tac » cong ty
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 ((lieu tinh) or (chau tinh)) - hanh ((hang cua) or (mang cua)) dung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((lieu tinh) OR (chau tinh)) - hanh ((hang cua) OR (mang cua)) dung cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((lieu tinh) or (chau tinh)) - hanh ((hang cua) or (mang cua)) dung cong tac toan ban*.