Perhaps you should try some spelling variations:
trinh luan » trinh luat, trinh quan, trinh han
hanh trinh » canh tranh, hanh chinh
kieu tinh » trieu tinh, diep tinh, bien tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
dan toan » van toan, dan than, manh toan
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((kieu tinh) or (lieu tinh)) - hanh trinh luan hang cong ((dan toan) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((kieu tinh) OR (lieu tinh)) - hanh trinh luan hang cong ((dan toan) OR (ban than)) cau.
• Adding a wildcard symbol may retrieve word variants: doi ((kieu tinh) or (lieu tinh)) - hanh trinh luan hang cong ((dan toan) or (ban than)) cau*.