Perhaps you should try some spelling variations:
nhiet tach » chiet tach
hanh trinh » canh tranh, hanh chinh
hoc nhiet » hoc thiet, hoc nghien, hoc hien
cp thuong » cp huong, ca thuong, chap thuong
cong dan » cong san, cong tan, huong dan
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 nhiet tach - hanh trinh ((cp thuong) OR (va thuong)) cong dan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc nhiet tach - hanh trinh ((cp thuong) OR (va thuong)) cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc nhiet tach - hanh trinh ((cp thuong) OR (va thuong)) cong dan toan ban*.