Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
hanh trinh » canh tranh, hanh chinh
hang trong » hoang trong, thang trong, lang trong
trong minh » truong minh, trong kinh, thong minh
luat hang » luat hanh, luat chung, luat quang
minh toan » tinh toan, manh toan, minh tuan
toan tap » toan 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 ((chinh sach) or (hieu quang)) - hanh trinh luat hang trong minh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chinh sach) OR (hieu quang)) - hanh trinh luat hang trong minh toan tap.
• Adding a wildcard symbol may retrieve word variants: ho ((chinh sach) or (hieu quang)) - hanh trinh luat hang trong minh toan tap*.