Perhaps you should try some spelling variations:
chieu tinh » lieu tinh, chau tinh, kieu tinh
hanh tang » hanh trang, anh tang, hanh mang
cua trong » cua truong, cua trung, qua trong
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
toan tai » toan tap, doanh tai, toan cao
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: theo ((chieu tinh) OR (trieu tinh)) - hanh tang cua trong cong san ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (trieu tinh)) - hanh tang cua trong cong san ((toan tai) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) OR (trieu tinh)) - hanh tang cua trong cong san ((toan tai) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) OR (trieu tinh)) - hanh tang cua trong cong san ((toan tai) or (toan ban))*.