Perhaps you should try some spelling variations:
suat doanh » luat doanh, cua doanh, luat danh
doanh khoa » toan khoa
cach thoi » cac thoi, cach noi
cach thuc » anh thuc, cac thu
cuu nang » chuc nang, cam nang, cuu van
khoa hoc » hoa hoc
van hang » van khang, van hoang, van thang
hang tai » hang va, dung tai
hoi van » hoi va, hoi dan, hai van
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((cach thoi) OR (cach thuc)) tap, nghien cuu nang suat doanh khoa hoc xa hoi van hang tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((cach thoi) OR (cach thuc)) tap, nghien cuu nang suat doanh khoa hoc xa hoi van hang tai".
• Adding a wildcard symbol may retrieve word variants: su ((cach thoi) OR (cach thuc)) tap, nghien cuu nang suat doanh khoa hoc xa hoi van hang tai*.