Perhaps you should try some spelling variations:
thien van » thi van
phan duc » phan tu, phan dau, tran duc
ban hanh » ban hang
nang xa » nang x, lang xa, nang ma
vai cua » dai cua, lai cua, bai cua
hai cua » thai cua, dai cua, hoi cua
tu sai » tu bai, tu san, tu cai
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky nang xa hoi. thien van ((phan duc) or (pham duc)) ban hanh ((vai cua) OR (hai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang xa hoi. thien van ((phan duc) OR (pham duc)) ban hanh ((vai cua) OR (hai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky nang xa hoi. thien van ((phan duc) or (pham duc)) ban hanh ((vai cua) OR (hai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang xa hoi. thien van ((phan duc) or (pham duc)) ban hanh ((vai cua) OR (hai cua)) tre*.