Perhaps you should try some spelling variations:
chong cong » cong cong, thong cong, cuong cong
hanh trinh » hanh chinh
lieu tinh » trieu tinh, diep tinh, bien tinh
cua chong » cua cong, cua chung, cua khong
doi lieu » duoc lieu, doi chieu, du lieu
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
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: doi lieu tinh - ((canh tranh) or (hanh trinh)) cua chong cong dan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - ((canh tranh) OR (hanh trinh)) cua chong cong dan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - ((canh tranh) or (hanh trinh)) cua chong cong dan ((toan cau) or (toan tap))*.