Perhaps you should try some spelling variations:
thien tinh » thien minh, tien tinh, trien tinh
khien tinh » khien thich, bien tinh, dien tinh
cong ngang » cong nhan, cong quang, cong lang
ngang toan » nganh toan, dang toan, quang toan
vap nhung » va nhung, ve nhung, voi nhung
cam hung » cac chung, cam nang, van hung
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thien tinh) OR (khien tinh)) - canh tranh ((cam hung) or (vap nhung)) cong ngang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thien tinh) OR (khien tinh)) - canh tranh ((cam hung) OR (vap nhung)) cong ngang toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thien tinh) OR (khien tinh)) - canh tranh ((cam hung) or (vap nhung)) cong ngang toan cau".
• Adding a wildcard symbol may retrieve word variants: toc ((thien tinh) OR (khien tinh)) - canh tranh ((cam hung) or (vap nhung)) cong ngang toan cau*.