Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
luan nhung » luan chung, luan hung, quan nhung
trong minh » truong minh, trong kinh, trong linh
trong sinh » trong kinh, trong san
thong minh » thong tin, hoang minh
theo thu » theo chu, theo tu, theo tieu
thu sach » tu sach, thuat sach, thuoc sach
va ban » van ban, va bai, va bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo thu sach - canh tranh luan nhung ((((trong minh) OR (trong sinh))) or (thong minh)) va ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo thu sach - canh tranh luan nhung ((((trong minh) OR (trong sinh))) OR (thong minh)) va ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo thu sach - canh tranh luan nhung ((((trong minh) OR (trong sinh))) or (thong minh)) va ban".
• Adding a wildcard symbol may retrieve word variants: theo thu sach - canh tranh luan nhung ((((trong minh) OR (trong sinh))) or (thong minh)) va ban*.