Perhaps you should try some spelling variations:
nhung truong » nhung tuong, thuong truong, dung truong
thanh luong » thanh huong, thanh long, thanh cuong
nang truong » tang truong, quang truong, nang luong
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
luong va » dung va
toan cao » toan tap
toan ban » van ban

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 sach - thanh luong va ((nhung truong) OR (nang truong)) tinh ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh luong va ((nhung truong) OR (nang truong)) tinh ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh luong va ((nhung truong) OR (nang truong)) tinh ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh luong va ((nhung truong) OR (nang truong)) tinh ((toan cao) or (toan ban))*.