Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
thieu xanh » chieu xanh, thien anh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua khong » hua khong, cua phuong, cua thuong
doan phan » doanh phan, toan phan, doanh nhan
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
dan phan » dan chan, van phan, dam phan

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) or (hieu manh)) - anh tang cua khong thong ((dan phan) OR (doan phan)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - anh tang cua khong thong ((dan phan) OR (doan phan)) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (hieu manh)) - anh tang cua khong thong ((dan phan) OR (doan phan)) tu".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - anh tang cua khong thong ((dan phan) OR (doan phan)) tu*.