Perhaps you should try some spelling variations:
khau luan » khoa luan, phap luan, pham luan
thanh moi » thanh hoa, thanh hai, thanh tai
thanh loi » thanh hoa, thanh hai, thanh lap
qua khau » qua khai, qua khao, qua khu
nang xa » nang x, lang xa, nang ma
sac ky » sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sac ky) or (cac ky)) nang xa hoi. hieu qua khau luan van ((thanh moi) or (thanh loi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (cac ky)) nang xa hoi. hieu qua khau luan van ((thanh moi) OR (thanh loi)) cua te.
• Adding a wildcard symbol may retrieve word variants: su ((sac ky) or (cac ky)) nang xa hoi. hieu qua khau luan van ((thanh moi) or (thanh loi)) cua te*.