Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhanh mang » nhanh lang, hanh mang, nhanh quang
hoc chieu » hoc thieu, ho chieu, hoc hien
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
cong dan » cong san, cong tan, cong dong
toan cau » toan ban, toan tap, toan tai
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: hoc chieu tinh - nhanh mang cua nhung ((cong dan) or (huong dan)) ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - nhanh mang cua nhung ((cong dan) OR (huong dan)) ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - nhanh mang cua nhung ((cong dan) or (huong dan)) ((toan cau) or (toan cao))*.