Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
thuat tach » thuat sach, thuat tac, thuat thanh
thuat mach » thuat sach, thuyet mach, thuat lanh
duong anh » duong manh, duong xanh, duong vanh
anh quan » anh tuan, ban quan, anh nhan
quan cau » quang cao, toan cau, quan ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thuat tach) OR (thuat mach)) - manh ((luong va) or (dung va)) nhung duong anh quan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thuat tach) OR (thuat mach)) - manh ((luong va) OR (dung va)) nhung duong anh quan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thuat tach) OR (thuat mach)) - manh ((luong va) or (dung va)) nhung duong anh quan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thuat tach) OR (thuat mach)) - manh ((luong va) or (dung va)) nhung duong anh quan cau*.