Perhaps you should try some spelling variations:
xuan truong » xa truong, duong truong
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
cua khong » hua khong, cua phuong, cua thuong
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan tai » toan tai, quan tai, tan tai

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 tranh ((cua khong) or (xuan truong)) cong van tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - canh tranh ((cua khong) OR (xuan truong)) cong van tuan tai*.