Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc thieu » toc thieu, hoc hien
luan nang » luan van, van nang, luan san
nang cong » nang song, dang cong, bang cong
san than » sang than, san thanh, van than
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - ((kinh doanh) or (hanh doanh)) luan nang cong ((san than) OR (ban than)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((kinh doanh) OR (hanh doanh)) luan nang cong ((san than) OR (ban than)) cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((kinh doanh) or (hanh doanh)) luan nang cong ((san than) OR (ban than)) cap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((kinh doanh) or (hanh doanh)) luan nang cong ((san than) OR (ban than)) cap*.