Perhaps you should try some spelling variations:
cong truong » cuong truong, cong thuong, cong trong
cong tuong » cong thuong, cong trong, cong luong
hanh trinh » canh tranh, hanh chinh
hiem ngan » kim ngan, viem gan
trinh thi » trinh tai, dinh thi, trinh tu
hoc hiem » hoc hien, hoc thieu, hoc thiet
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hiem ngan - hanh trinh thi ((cong tuong) or (cong truong)) dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hiem ngan - hanh trinh thi ((cong tuong) OR (cong truong)) dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hiem ngan - hanh trinh thi ((cong tuong) or (cong truong)) dan toan ban*.