Perhaps you should try some spelling variations:
thai cua » than cua, tai cuc, tri cua
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac tuc » cac toc, cac tu, cac tac
va hanh » van hanh, va thanh, va danh
bai cua » ban cua, dai cua, bai ca
hai cua » dai cua, hoi cua, lai cua
tuc va » thuc va, truc va, tuc xa

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 cac tuc va hanh ((bai cua) or (((hai cua) OR (thai cua)))) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang xa hoi. hieu va cac tuc va hanh ((bai cua) OR (((hai cua) OR (thai cua)))) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang xa hoi. hieu va cac tuc va hanh ((bai cua) or (((hai cua) OR (thai cua)))) tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang xa hoi. hieu va cac tuc va hanh ((bai cua) or (((hai cua) OR (thai cua)))) tre*.