Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
truong va » truong dai, truong cao, truong dao
tuong va » thuong va, luong va, duong va
gian cao » gian cac, gian co, giai cao

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 sach) or (chieu tinh)) - thanh ((tuong va) OR (truong va)) nhung huong dan gian cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu tinh)) - thanh ((tuong va) OR (truong va)) nhung huong dan gian cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chieu tinh)) - thanh ((tuong va) OR (truong va)) nhung huong dan gian cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu tinh)) - thanh ((tuong va) OR (truong va)) nhung huong dan gian cao*.