Perhaps you should try some spelling variations:
dung tuong » dung thuong, dung truong, dung trong
hoc thieu » hoc hien
tuong dan » huong dan, tung dan, xuong dan
phan dat » phan dau, phan dai, phan day
dat dung » dan dung, vat dung, da dung
dan van » dang van, doan van, dao van
ban ca » ban cua, ban can, ban cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (toc thieu)) tinh - phan dat dung tuong dan van ban ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) tinh - phan dat dung tuong dan van ban ca.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) tinh - phan dat dung tuong dan van ban ca*.