Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
tan toan » tan tran, tap toan, van toan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu manh - hanh trinh quan dung cong ((tan toan) or (van tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu manh - hanh trinh quan dung cong ((tan toan) OR (van tuan)) cau.
• Adding a wildcard symbol may retrieve word variants: theo chu manh - hanh trinh quan dung cong ((tan toan) or (van tuan)) cau*.