Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cham luu » cham cuu, chat lua, phap luu
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
luu van » cuu van, luan van, luu hanh
doi cua » dai cua, hoi cua
y nang » ky nang, ly nang, v nang
di cua » dai cua, de cua, do 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 y nang xa hoi. hieu va cham luu van thanh ((di cua) OR (doi cua)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. hieu va cham luu van thanh ((di cua) OR (doi cua)) triet".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu va cham luu van thanh ((di cua) OR (doi cua)) triet*.