Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh manh » hanh mang, hoang manh, thanh minh
lanh manh » lanh tranh, lan anh, van manh
cua tong » cua cong, cua dong, cua nong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - ((hanh manh) OR (lanh manh)) cua tong ((cong dan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - ((hanh manh) OR (lanh manh)) cua tong ((cong dan) OR (cong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - ((hanh manh) OR (lanh manh)) cua tong ((cong dan) or (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - ((hanh manh) OR (lanh manh)) cua tong ((cong dan) or (cong san)) toan cau*.