Perhaps you should try some spelling variations:
khong trong » khoang trong, thong trong, phong trong
khong thong » thong thong, thong thuong, phong chong
thieu xanh » chieu xanh, hieu manh, thien anh
tranh luat » trinh luat, tranh luan, trinh luan
hoc thieu » toc thieu, hoc hien
phan van » pham van, thanh van, luan van
phan lap » phan dau

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 - canh tranh luat ((khong thong) or (khong trong)) dan ((phan van) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh luat ((khong thong) OR (khong trong)) dan ((phan van) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh luat ((khong thong) or (khong trong)) dan ((phan van) or (phan lap))*.