Perhaps you should try some spelling variations:
dien cua » dieu cua, dien cuc, dien cu
kien cua » khien cua, tien cua, bien cua
te sach » toc sach
va danh » va dinh, va dan, va hanh
so cham » so kham, co cham, so chat
hieu so » thieu so
ma hoi » mai hoi, xa hoi, ma hoa
soc va » hoc va, loc va, doc va
v nang » va nang, vu nang, van nang

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 ((2 nang) OR (v nang)) ma hoi. hieu so cham soc va danh ((kien cua) or (dien cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((2 nang) OR (v nang)) ma hoi. hieu so cham soc va danh ((kien cua) OR (dien cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((2 nang) OR (v nang)) ma hoi. hieu so cham soc va danh ((kien cua) or (dien cua)) te".
• Adding a wildcard symbol may retrieve word variants: te sach ((2 nang) OR (v nang)) ma hoi. hieu so cham soc va danh ((kien cua) or (dien cua)) te*.