Perhaps you should try some spelling variations:
thien van » thi van
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
van hac » van hoc, van ha, van hai
hac xuc » chat xuc
xuc van » duc van, luc van, vuc van
y nang » ky nang, ly nang, v nang
di cua » doi 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. thien van hac xuc van hanh ((di cua) OR (dai cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. thien van hac xuc van hanh ((di cua) OR (dai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. thien van hac xuc van hanh ((di cua) OR (dai cua)) tre*.