Perhaps you should try some spelling variations:
thien van » thi van
dua ban » dia ban, cua ban, qua ban
xuc ban » duc ban, cuc ban, quoc ban
sach ky » sac ky, sach y, sach kem
van lam » van nam
lang xa » lang ha, dang xay, lang van
sach ty » sach y, sach tu, sach thu
luu tre » luu tru, cuu tre, luy tre
vi luu » vi lua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ky) OR (sach ty)) lang xa hoi. thien van lam ((xuc ban) or (dua ban)) hanh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach ty)) lang xa hoi. thien van lam ((xuc ban) OR (dua ban)) hanh vi luu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) OR (sach ty)) lang xa hoi. thien van lam ((xuc ban) or (dua ban)) hanh vi luu tre".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) OR (sach ty)) lang xa hoi. thien van lam ((xuc ban) or (dua ban)) hanh vi luu tre*.