Perhaps you should try some spelling variations:
luong trong » duong trong, duong truong, thuong trong
thien danh » thien anh, thien dang, thien thanh
trong pham » trong phat, trong cham, trong phap
hieu manh » chieu xanh, hieu nganh, dieu hanh
van luong » van duong, van cuong, nang luong
anh dung » anh dong, anh huong, sach dung
dung van » duong van, dung va, dang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu manh) or (thien danh)) - anh dung van luong trong pham van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu manh) OR (thien danh)) - anh dung van luong trong pham van ban*.