Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu lang » chieu sang, hieu quang, nhieu tang
lua thong » luat thong, luat thuong, suat thong
cong phan » cong nhan, cong khan, chong phap
phan phan » phap phan, phan phat, than phan
phan lap » phan dau
dan lua » dan luan, dan luat, dan cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu lang) OR (chieu tinh)) - hoa dan lua thong cong phan phan lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((hieu lang) OR (chieu tinh)) - hoa dan lua thong cong phan phan lap*".