Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
hoc tien » hoc tieng, hoc hien, hoc vien
cua hang » cua dang, cua nhung, cua ban
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: ((hoc tien) or (hoc thieu)) hach - hanh trinh ((cua hang) OR (cua cong)) cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc tien) OR (hoc thieu)) hach - hanh trinh ((cua hang) OR (cua cong)) cong dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc tien) or (hoc thieu)) hach - hanh trinh ((cua hang) OR (cua cong)) cong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: ((hoc tien) or (hoc thieu)) hach - hanh trinh ((cua hang) OR (cua cong)) cong dan toan tap*.