Perhaps you should try some spelling variations:
thien van » thi van
van cham » van chat, van tham, va cham
cham xuc » cam xuc, chat xuc, cham soc
cau tren » cu tren, dau tren, ca tren
nang duc » nang luc, nang doc, nang du
duc hoc » duoc hoc, luc hoc, du hoc
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
sac ky » cac ky, sai ky
va cau » van cau, va cac, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach y) or (sac ky)) nang duc hoc. thien van cham xuc ((va hanh) or (va danh)) va cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach y) OR (sac ky)) nang duc hoc. thien van cham xuc ((va hanh) OR (va danh)) va cau tren.
• Adding a wildcard symbol may retrieve word variants: thu ((sach y) or (sac ky)) nang duc hoc. thien van cham xuc ((va hanh) or (va danh)) va cau tren*.