Perhaps you should try some spelling variations:
hanh khang » nhanh thang, thanh thang, van khang
hieu nganh » vien nganh, hiem ngan, hieu manh
hieu lang » chieu sang, hieu quang, nhieu tang
dung cong » dung trong
cong sang » cong san, cong lang, cong vang
khang cu » khung cua, thang cua, chung cu
than cao » toan cao, thai cao, than sao
than cap » khan cap, thanh lap, thanh cac
cu dung » su dung, cau duong, duc dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu nganh) or (hieu lang)) - hanh khang cu dung cong sang ((than cao) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu nganh) OR (hieu lang)) - hanh khang cu dung cong sang ((than cao) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu nganh) or (hieu lang)) - hanh khang cu dung cong sang ((than cao) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu nganh) or (hieu lang)) - hanh khang cu dung cong sang ((than cao) OR (than cap))*.