Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
sach thu » sach thue, sach thieu, sach tham
van hanh » ban hanh, van anh, van ban
te sach » toc sach
hieu ve » hieu va, hieu van
bang xa » lang xa, bang va, mang xa
ve cam » ve cham, ve cac, va cam
de cua » le cua, te cua, dieu cua
cua cu » cua chu, cua cau, cua su

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 thu ((bang xa) or (mang may)) hoi. hieu ve cam xuc ((van hanh) OR (van thanh)) de cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thu ((bang xa) OR (mang may)) hoi. hieu ve cam xuc ((van hanh) OR (van thanh)) de cua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thu ((bang xa) or (mang may)) hoi. hieu ve cam xuc ((van hanh) OR (van thanh)) de cua cu".
• Adding a wildcard symbol may retrieve word variants: te sach thu ((bang xa) or (mang may)) hoi. hieu ve cam xuc ((van hanh) OR (van thanh)) de cua cu*.