Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
dung cong » dung trong
tnhan tai » toan tai, nhan tao, han tai
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
nhan tai » hang tai, van tai, toan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu tinh) OR (lieu tinh)) - anh dung cua dung cong dan ((tnhan tai) or (nhan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (lieu tinh)) - anh dung cua dung cong dan ((tnhan tai) OR (nhan tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) OR (lieu tinh)) - anh dung cua dung cong dan ((tnhan tai) or (nhan tai))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) OR (lieu tinh)) - anh dung cua dung cong dan ((tnhan tai) or (nhan tai))*.