Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
thieu sang » chieu sang, thieu quang, hieu lang
canh hanh » xanh hanh, canh tranh, danh thanh
cong vang » cong lang, cong quang, cong ngang
vang phan » van phan, nang phan, quang phan
bi trong » ro trong, le trong, ly trong
phan dau » phan tu, hang dau
hanh bi » hanh vi, thanh bai, khanh bui

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) OR (thieu khang)) - canh hanh bi trong cong vang phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sang) OR (thieu khang)) - canh hanh bi trong cong vang phan dau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sang) OR (thieu khang)) - canh hanh bi trong cong vang phan dau*.