Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
lieu tinh » trieu tinh, diep tinh, bien tinh
chinh can » chinh ca, chinh cau, chinh ngan
chinh ban » chinh bao, chinh ngan, chinh luan
cong manh » cong danh, duong manh, hoang manh
toan ban » van ban
ho lieu » so lieu, co lieu, ho kieu

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 - hanh ((chinh can) or (chinh ban)) hang ((cong manh) or (cong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh ((chinh can) OR (chinh ban)) hang ((cong manh) OR (cong thanh)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh ((chinh can) or (chinh ban)) hang ((cong manh) or (cong thanh)) toan ban*.