Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
trong minh » truong minh, trong kinh, thong minh
hieu lang » chieu sang, nhieu tang, hieu van
hanh tran » hanh trang, thanh tran, hanh tram
tuan dang » tuan bang, tuan dung, tuan duong
tran dang » tran quang, tran hoang, tranh hang
minh tuan » anh tuan
tuan ban » tuan bang, toan ban, luan ban

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

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