Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
chieu sang » chieu sach, chieu xanh, nhieu tang
anh truong » manh truong, anh thuong, anh trong
hieu lang » nhieu tang, hieu van, biet lang
truong va » truong dai, truong cao, truong dao
nang cong » nang song, dang cong, bang cong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sang) or (((hieu lang) or (hieu quang)))) - anh truong va nang cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (((hieu lang) OR (hieu quang)))) - anh truong va nang cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) or (((hieu lang) or (hieu quang)))) - anh truong va nang cong dan phan cau*.