Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chau tinh » cuu tinh, cua tinh, cac tinh
trinh van » trinh han, trinh quan, trinh toan
trinh va » trinh vat, trinh ve, trinh vi
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan tap » toan ban
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chau tinh) or (ha tinh)) - hanh ((trinh va) or (trinh van)) nhung cong van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chau tinh) OR (ha tinh)) - hanh ((trinh va) OR (trinh van)) nhung cong van toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((chau tinh) or (ha tinh)) - hanh ((trinh va) or (trinh van)) nhung cong van toan tap*.