Perhaps you should try some spelling variations:
thien tinh » khien tinh, thien minh, tien tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thien » hoc hien, hoc thieu, hoc thiet
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: hoc thien tinh - hanh tranh ((cua thong) or (cua khong)) cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien tinh - hanh tranh ((cua thong) OR (cua khong)) cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thien tinh - hanh tranh ((cua thong) or (cua khong)) cong dan toan ban*.