Perhaps you should try some spelling variations:
tham soc » cham soc, tham nuoc, thai son
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
va hanh » van hanh, va thanh, va danh
soc va » hoc va, loc va, doc va
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang xa hoi. hieu va tham soc va hanh ((vi cua) OR (di cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang xa hoi. hieu va tham soc va hanh ((vi cua) OR (di cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang xa hoi. hieu va tham soc va hanh ((vi cua) OR (di cua)) tre*.