Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh
cong thanh » dong thanh, cong trinh, cong tan
toc chieu » toc thieu, doc hieu, hoc thieu
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
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: toc chieu tinh - ((hanh trinh) or (hanh chinh)) cua dung cong thanh ((toan tap) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu tinh - ((hanh trinh) OR (hanh chinh)) cua dung cong thanh ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu tinh - ((hanh trinh) or (hanh chinh)) cua dung cong thanh ((toan tap) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: toc chieu tinh - ((hanh trinh) or (hanh chinh)) cua dung cong thanh ((toan tap) OR (toan ban))*.