Perhaps you should try some spelling variations:
dieu cua » dieu tra
nang xa » nang x, lang xa, nang ma
van hac » van hoc, van ha, van hai
van bao » van ban, van dao
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
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: tu sac ky nang xa hoi. hieu ((van hac) or (van bao)) xuc va hanh ((vi cua) or (dieu cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu ((van hac) OR (van bao)) xuc va hanh ((vi cua) OR (dieu cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu ((van hac) or (van bao)) xuc va hanh ((vi cua) or (dieu cua)) tre*.