Perhaps you should try some spelling variations:
thong congg » trong cong, tong cong, thong cung
thieu sang » chieu sang, thieu khang, thieu quang
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
pham lan » pham luan, pham van, phan lan
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 sang - canh manh cua ((thong congg) or (thong cong)) thanh ((pham lan) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - canh manh cua ((thong congg) OR (thong cong)) thanh ((pham lan) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - canh manh cua ((thong congg) or (thong cong)) thanh ((pham lan) or (phan lap))*.