Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
duong vanh » duong manh, duong xanh, duong anh
hoc thieu » toc thieu, hoc hien
duong van » duong va, luong va, dang van
manh cua » doanh cua
tuan cau » toan cau, quan cau, tuan cu
ban cua » ban quan

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) or (ban cua)) nhung ((duong vanh) or (duong van)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - canh ((manh cua) OR (ban cua)) nhung ((duong vanh) OR (duong van)) tuan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - canh ((manh cua) or (ban cua)) nhung ((duong vanh) or (duong van)) tuan cau*.