Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh mang
cua trong » cua truong, cua trung, qua trong
hoc chau » hoc chat, moc chau, hoc cau
tang cua » mang cua, hang cua, tang luan
cong van » cong vang, song van, cong tan
cong san » cong tac
tuan ban » tuan bang, toan ban, luan ban
hoc can » hoc dan, hoc cao, hoc cac

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) or (hoc can)) tinh - hanh tang cua trong ((cong van) OR (cong san)) tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chau) OR (hoc can)) tinh - hanh tang cua trong ((cong van) OR (cong san)) tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chau) or (hoc can)) tinh - hanh tang cua trong ((cong van) OR (cong san)) tuan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc chau) or (hoc can)) tinh - hanh tang cua trong ((cong van) OR (cong san)) tuan ban*.