Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
tuong dan » huong dan, tung dan, xuong dan
dan nhung » dap nhung, san nhung, doanh nhung
ban nhung » san nhung, ban phuong, gian nhung
thanh bac » nhanh bac, thanh bai, thanh san
than cau » toan cau, phan cau, than cap

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 - thanh tuong ((dan nhung) or (ban nhung)) tuong dan ((than cau) or (thanh bac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh tuong ((dan nhung) OR (ban nhung)) tuong dan ((than cau) OR (thanh bac)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh tuong ((dan nhung) or (ban nhung)) tuong dan ((than cau) or (thanh bac))*.