Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh khoa » thanh hoa, thanh pho, hang khoa
kieu tinh » lieu tinh, diep tinh, bien tinh
anh hoang » thanh hoang, minh hoang, tnhh hoang
luan nang » luan van, van nang, luan san
nang cong » nang song, dang cong, bang cong
anh bang » anh quang, tinh bang, anh dong
khoa tap » khoa tai, khoa than, hoc tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((kieu tinh) or (trieu tinh)) - ((anh bang) or (anh hoang)) luan nang cong thanh khoa tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((kieu tinh) OR (trieu tinh)) - ((anh bang) OR (anh hoang)) luan nang cong thanh khoa tap.
• Adding a wildcard symbol may retrieve word variants: theo ((kieu tinh) or (trieu tinh)) - ((anh bang) or (anh hoang)) luan nang cong thanh khoa tap*.