Perhaps you should try some spelling variations:
nhung loi » nhung bai, nhung bi, nhung gi
dot trong » ro trong
trong uoc » trong cuoc, trong nuoc, trong duoc
loi quan » moi quan, noi quan, loi nhuan
quan van » luan van, quan va, quan luan
tac dung » sach dung, xay dung, tin dung
thuoc mo » thuoc moi, thuoc ma, thuoc bo
dung sai » dung tai, dung va, dung dat
sai quan » hai quan, mai quan, cai quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung loi quan van. tac dung thuoc mo ) or ( dung sai quan van. dot trong uoc mo ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung loi quan van. tac dung thuoc mo ) OR ( dung sai quan van. dot trong uoc mo )).
• Adding a wildcard symbol may retrieve word variants: (( nhung loi quan van. tac dung thuoc mo ) or ( dung sai quan van. dot trong uoc mo ))*.