Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thi hang » thi hanh, thi nang, thi hong
qua cam » qua cham, qua cac, qua ca
xuc ban » duc ban, cuc ban, quoc ban
vu sach » vu bach, su sach, vu khach
hang ca » hang va, nang cao, hang tai
bo sach » co sach, hoc sach
ca hoi » cau hoi, cua hoi, xa hoi
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sach) or (bo sach)) thi hang ca hoi. hieu qua cam xuc ban thanh ((vi cua) OR (di cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (bo sach)) thi hang ca hoi. hieu qua cam xuc ban thanh ((vi cua) OR (di cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) or (bo sach)) thi hang ca hoi. hieu qua cam xuc ban thanh ((vi cua) OR (di cua)) te".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (bo sach)) thi hang ca hoi. hieu qua cam xuc ban thanh ((vi cua) OR (di cua)) te*.