Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cong van » cong vang, cong san, song van
tung ve » dung ve, tung le, trung va
tung va » trung va, tuong va, dung va
van vat » van chat, nhan vat
vat ban » van ban, va ban, vat ran

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 ((tung ve) OR (tung va)) nhung cong van vat ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - thanh ((tung ve) OR (tung va)) nhung cong van vat ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((tung ve) OR (tung va)) nhung cong van vat ban*.