Perhaps you should try some spelling variations:
thai hoc » dai hoc, bai hoc, hoi hoc
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va thai » van thai, va tai, va tham
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
te cac » tu cac, ve cac, te cao
vi cua » vai cua, di 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 cac ky nang xa hoi. hieu va thai hoc va hanh ((vi cua) OR (hai cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cac ky nang xa hoi. hieu va thai hoc va hanh ((vi cua) OR (hai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te cac ky nang xa hoi. hieu va thai hoc va hanh ((vi cua) OR (hai cua)) tre*.