Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh tranh » canh tranh, hanh trang, lanh tranh
luan nhung » luan chung, luan hung, quan nhung
nhung dung » phuong dung, ung dung, thong dung
manh toan » thanh toan, tinh toan
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach

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 sach - ((hanh tranh) or (hanh trinh)) luan nhung dung ((manh toan) OR (anh tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - ((hanh tranh) OR (hanh trinh)) luan nhung dung ((manh toan) OR (anh tuan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sach - ((hanh tranh) or (hanh trinh)) luan nhung dung ((manh toan) OR (anh tuan)) ban".
• Adding a wildcard symbol may retrieve word variants: theo chu sach - ((hanh tranh) or (hanh trinh)) luan nhung dung ((manh toan) OR (anh tuan)) ban*.