Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
chiet tach » chieu sach
trung cua » truong cua, trung tuan, trung cap
cua khong » hua khong, cua phuong, cua thuong
thong dan » thong van, tuong dan, thong den
phan dau » phan tu, hang dau

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 (chiet tach)) - thanh trung cua khong thong dan ((phan lap) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (chiet tach)) - thanh trung cua khong thong dan ((phan lap) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) or (chiet tach)) - thanh trung cua khong thong dan ((phan lap) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (chiet tach)) - thanh trung cua khong thong dan ((phan lap) OR (phan dau))*.