Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
truc va » thuc va, thuc vat, trung va
cuu tre » cua tre, cau tren, cau treo
tang xa » trang xa, tang ma, lang xa
y tang » ky tang, 6 tang, 7 tang
ve cam » ve cham, va cam, ve cai
tuc va » thuc va, tuc xa, duc va
vi cuu » vi luu, vinh cuu
ve cac » va cac, vien cac

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) or (ve cac)) ((tuc va) OR (truc va)) hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y tang xa hoi. hieu ((ve cam) OR (ve cac)) ((tuc va) OR (truc va)) hanh vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y tang xa hoi. hieu ((ve cam) or (ve cac)) ((tuc va) OR (truc va)) hanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach y tang xa hoi. hieu ((ve cam) or (ve cac)) ((tuc va) OR (truc va)) hanh vi cuu tre*.