Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
lieu tinh » trieu tinh, diep tinh, bien tinh
cua sinh » hoa sinh, va sinh
cua dung » cua dang, cua dong, cua rung
qua dung » quang dung, su dung, qua song
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 ((cua sinh) or (lieu tinh)) - hanh trinh ((cua dung) or (qua dung)) cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((cua sinh) OR (lieu tinh)) - hanh trinh ((cua dung) OR (qua dung)) cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((cua sinh) or (lieu tinh)) - hanh trinh ((cua dung) or (qua dung)) cong dan toan cao*.