Perhaps you should try some spelling variations:
thong dung » thong cong, thong thuong
thinh dan » thinh doan, trinh dan, hinh dan
lap thong » lap trong, lap truong, phap thong
ho chieu » theo chieu, hoc thieu, mot chieu
dung dat » dung va, dung tai
dat phan » data phan, dam phan, sat phan
dan lap » phan lap, dan luan

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) OR (toc thieu)) sang - thinh dan lap thong dung dat phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (toc thieu)) sang - thinh dan lap thong dung dat phan tu".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (toc thieu)) sang - thinh dan lap thong dung dat phan tu*.