Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thong cong » trong cong, tong cong, thong thong
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
hoa phap » hoa phan, hoc phap, hoa nhap
phap lua » phap luat, phap luan, phap luu
phan tap » phan lap, han tap, pha tap

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 phap lua thong cong phan phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu lang) OR (chieu tinh)) - hoa phap lua thong cong phan phan tap.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu lang) or (chieu tinh)) - hoa phap lua thong cong phan phan tap*.