Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
thieu khi » thieu nhi, tien khi, hieu chi
nhung con » nhung cong, nhung don, nhung mon
nhung co » nhung bo, chung co, khung co
cach noi » cach thoi, hanh noi, anh noi
tu cach » tu cac
noi hoc » hoi hoc, voi hoc, noi khoa
khi cua » chi cua, thai cua
doi vai » doi voi, doi bai, doi tai
doi va » hoi va, noi va, dai va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach noi hoc thieu khi cua ets : ((nhung co) OR (nhung con)) ((doi vai) or (doi va)) đai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach noi hoc thieu khi cua ets : ((nhung co) OR (nhung con)) ((doi vai) OR (doi va)) đai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach noi hoc thieu khi cua ets : ((nhung co) OR (nhung con)) ((doi vai) or (doi va)) đai".
• Adding a wildcard symbol may retrieve word variants: tu cach noi hoc thieu khi cua ets : ((nhung co) OR (nhung con)) ((doi vai) or (doi va)) đai*.