Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
hanh truong » hanh trong, anh truong, manh truong
quan trong » gian trong
lieu tinh » trieu tinh, diep tinh, bien tinh
cong van » cong vang, cong san, song van
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((dieu hanh) or (lieu tinh)) - hanh truong quan trong cong van ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((dieu hanh) OR (lieu tinh)) - hanh truong quan trong cong van ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: ho ((dieu hanh) or (lieu tinh)) - hanh truong quan trong cong van ((than cau) or (toan cau))*.