Perhaps you should try some spelling variations:
thi nang » thi cong, ki nang, thi hanh
hanh hai » thanh hai, nhanh hai, hang hai
van hanh » van thanh, ban hanh, van anh
thu hang » thi hang, thuc hanh, thu huong
nang cac » nang cao, bang cac, hang cac
te sach » toc sach
hai cua » thai cua, dai cua, hoi cua
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
cho hoc » co hoc, khoa hoc
ly hang » ly quang
ty hang » ty xang, thi hang
cua chu » sua chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((((ty hang) or (ly hang))) or (thu hang)) cho hoc. thi nang cac xuc van hanh hai cua chu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((((ty hang) OR (ly hang))) OR (thu hang)) cho hoc. thi nang cac xuc van hanh hai cua chu*.