Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh han » trinh quan
dung cong » dung trong
theo hop » theo phap, thao hoc, theo ucp
hop manh » hop danh, ho manh, hop mang
han dung » chan dung, han duong, hanh dung
tan toan » tan tran, tap toan, van toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hop manh - hanh trinh han dung cong ((tan toan) or (((van quan) OR (van ban)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hop manh - hanh trinh han dung cong ((tan toan) OR (((van quan) OR (van ban)))) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo hop manh - hanh trinh han dung cong ((tan toan) or (((van quan) OR (van ban)))) cau".
• Adding a wildcard symbol may retrieve word variants: theo hop manh - hanh trinh han dung cong ((tan toan) or (((van quan) OR (van ban)))) cau*.