Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
manh trung » manh tung, thanh trung, manh hung
trung cap » truong cao, trung tam
trong dan » trong dang, trong san, trong tan
cap dung » ap dung, cao dung, chan dung
toan cao » toan tap
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: ho ((chieu tinh) or (chieu sach)) - manh trung cap dung trong dan ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (chieu sach)) - manh trung cap dung trong dan ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) or (chieu sach)) - manh trung cap dung trong dan ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (chieu sach)) - manh trung cap dung trong dan ((toan cao) OR (toan ban))*.