Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
trinh quan » tinh quang, trinh luat, trinh han
lieu tinh » trieu tinh, diep tinh, bien tinh
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
toan tap » toan ban
toan cao » toan 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 - canh trinh quan dung cong dan ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - canh trinh quan dung cong dan ((toan tap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - canh trinh quan dung cong dan ((toan tap) or (toan cao))*.