Perhaps you should try some spelling variations:
nhanh thanh » phan thanh, nhanh tinh
hieu lang » chieu sang, hieu quang, nhieu tang
thanh dat » thanh san, thanh hai, thanh van
dung cong » dung trong
toc hieu » toc thieu, doc hieu, hoc thieu
dat dung » dan dung, vat dung, da dung
cong van » cong vang, cong san, song van
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu lang - nhanh thanh dat dung cong van ((phan dau) OR (phan lap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc hieu lang - nhanh thanh dat dung cong van ((phan dau) OR (phan lap))*".