Perhaps you should try some spelling variations:
nhung trong » hung trong, nhung tuong, thuong trong
hanh trinh » canh tranh, hanh chinh
trong vinh » trong kinh, trong sinh, trong linh
hieu lang » chieu sang, hieu quang, nhieu tang
vinh toan » tinh toan, hinh toan, minh toan
trinh va » trinh van, trinh vat, trinh ve
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 lang)) - hanh trinh va nhung trong vinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chinh sach) OR (hieu lang)) - hanh trinh va nhung trong vinh toan tap.
• Adding a wildcard symbol may retrieve word variants: ho ((chinh sach) or (hieu lang)) - hanh trinh va nhung trong vinh toan tap*.