Perhaps you should try some spelling variations:
thong dung » thong cong, thong thuong
hoc chieu » hoc thieu, ho chieu, hoc hien
ban thanh » ban hanh, ban hang
thanh dat » thanh san, thanh hai, thanh van
dat thong » dat trong, mat thong, dat phong
dung data » dung dat, dung dan, dung danh
data phan » dam phan, sat phan, vat phan

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 - ban thanh dat thong dung data phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (toc thieu)) sang - ban thanh dat thong dung data phan tu*.