Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
hanh tranh » canh tranh, hanh trinh, hanh trang
hieu lang » chieu sang, nhieu tang, hieu van
tranh xua » tranh cua, tranh luan, thanh xuan
xua thang » xuan thang, xuan thanh, xuan trang
long ban » long banh, long van, hong ban
dong ban » dong bang, dong san, dong bac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu lang) OR (hieu quang)) - hanh tranh xua thang ((long ban) or (dong ban)) nang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (hieu quang)) - hanh tranh xua thang ((long ban) OR (dong ban)) nang cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu lang) OR (hieu quang)) - hanh tranh xua thang ((long ban) or (dong ban)) nang cao".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) OR (hieu quang)) - hanh tranh xua thang ((long ban) or (dong ban)) nang cao*.