Perhaps you should try some spelling variations:
nhanh chong » thanh cong
thieu sang » chieu sang, thieu khang, thieu quang
thong danh » thong dan, thong lanh, trong danh
hoc thieu » toc thieu, hoc hien
thong anh » thong lanh, hong anh, trong anh
va thong » va thuong, va phuong, he thong
tuan cao » toan cao, juan cao, quang cao

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 - ((nhanh chong) or (khanh phong)) va thong ((thong anh) OR (thong danh)) tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - ((nhanh chong) OR (khanh phong)) va thong ((thong anh) OR (thong danh)) tuan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - ((nhanh chong) or (khanh phong)) va thong ((thong anh) OR (thong danh)) tuan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - ((nhanh chong) or (khanh phong)) va thong ((thong anh) OR (thong danh)) tuan cao*.