Perhaps you should try some spelling variations:
thieu nang » thien nang, thieu khang, thieu quang
nang hoc » nang doc, nang luc, dong hoc
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
hoc hoa » hoc khoa
ve cac » va cac, vien cac
de cua » dieu cua
le cua » ly cua
te cua » tue cua

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 thieu nang hoc hoa. hieu ve cac xuc van hanh ((((de cua) OR (le cua))) or (te cua)) cay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thieu nang hoc hoa. hieu ve cac xuc van hanh ((((de cua) OR (le cua))) OR (te cua)) cay*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thieu nang hoc hoa. hieu ve cac xuc van hanh ((((de cua) OR (le cua))) or (te cua)) cay*".