Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
thinh dan » thinh doan, trinh dan, hinh dan
lan thong » lan thuong, ban thong, van thong
cong data » cong dan, dong dat, cong danh
data phan » dam phan, sat phan, vat phan
dan lan » dan luan, dan lap, dam lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (toc thieu)) sang - thinh dan lan thong cong data phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (toc thieu)) sang - thinh dan lan thong cong data phan tu*.