Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
van cam » van nam, van cau, van dam
van lam » van nam
y nang » ky nang, ly nang, v nang
tuc va » thuc va, truc va, tuc xa
de cua » te cua, dieu cua
le cua » ly 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 ((van cam) or (van lam)) tuc va thanh ((de cua) OR (le cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu ((van cam) OR (van lam)) tuc va thanh ((de cua) OR (le cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. hieu ((van cam) or (van lam)) tuc va thanh ((de cua) OR (le cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu ((van cam) or (van lam)) tuc va thanh ((de cua) OR (le cua)) tre*.