Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
trinh cua » trinh luat, trinh quan, trinh luan
tinh cua » sinh cua, tinh chat, tranh cua
dan chan » dan gian, dan ca, van chat
ban than » ban thanh, van thanh, ban hang

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 - hanh ((trinh cua) OR (tinh cua)) nhung phuong ((dan chan) or (ban than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh ((trinh cua) OR (tinh cua)) nhung phuong ((dan chan) OR (ban than)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - hanh ((trinh cua) OR (tinh cua)) nhung phuong ((dan chan) or (ban than)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh ((trinh cua) OR (tinh cua)) nhung phuong ((dan chan) or (ban than)) ban*.