Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
tu sach » thu sach, su sach, te sach
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
luu tre » luu tru, cuu tre, luy tre
y tang » ky tang, 6 tang, 7 tang
ve cam » ve cham, ve cac, va cam
xuc va » tuc va, luc va, xac va
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: tu sach y tang xa hoi. hieu ve cam ((xuc va) OR (duc va)) thanh vi luu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y tang xa hoi. hieu ve cam ((xuc va) OR (duc va)) thanh vi luu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach y tang xa hoi. hieu ve cam ((xuc va) OR (duc va)) thanh vi luu tre*.