Perhaps you should try some spelling variations:
thanh trung » thanh tung
thuyet bai » thuyet va
dien tinh » diep tinh, bien tinh, dien hinh
trung kha » trung khoa, trung ha, truong khoa
cho dien » co dien, cho dieu, chua dien
kha dung » khoa dung, khao dung, nha dung
cong dan » cong san, cong tan, cong dong
thuat do » thuat o

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: cho dien tinh - thanh trung kha dung ((cong dan) or (huong dan)) ((thuat do) or (thuyet bai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho dien tinh - thanh trung kha dung ((cong dan) OR (huong dan)) ((thuat do) OR (thuyet bai)).
• Adding a wildcard symbol may retrieve word variants: cho dien tinh - thanh trung kha dung ((cong dan) or (huong dan)) ((thuat do) or (thuyet bai))*.