Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
cang thong » cang thang, cong thong, mang thong
cong quang » luong quang, thong quang, duong quang
cong vang » cong lang, cong ngang, cong san
thong va » thong cua, truong va, thong qua
phan cac » nhan cach, phan dau, phan lap
va bang » va nang, va lang, va 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)) - cang thong va bang ((cong vang) OR (cong quang)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (chieu sach)) - cang thong va bang ((cong vang) OR (cong quang)) phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) or (chieu sach)) - cang thong va bang ((cong vang) OR (cong quang)) phan cac".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (chieu sach)) - cang thong va bang ((cong vang) OR (cong quang)) phan cac*.