Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
nha hieu » nha dieu, nghe hieu, phan hieu
cong van » cong vang, cong san, song van
toan ban » van ban
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: nha hieu lang - hanh ((trung cua) OR (trung cap)) nhung cong van ((toan ban) or (tuan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nha hieu lang - hanh ((trung cua) OR (trung cap)) nhung cong van ((toan ban) OR (tuan tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "nha hieu lang - hanh ((trung cua) OR (trung cap)) nhung cong van ((toan ban) or (tuan tai))".
• Adding a wildcard symbol may retrieve word variants: nha hieu lang - hanh ((trung cua) OR (trung cap)) nhung cong van ((toan ban) or (tuan tai))*.