Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
so sach » so sanh, bo sach, co sach
hiem he » hiem xe, hieu he, thien he
lang ha » long ha
van anh » tuan anh, van minh
he nam » ha nam, nghe nam
y lang » o lang, _ lang, tay lang
ha hoi » hoa hoi, ha noi, xa hoi
dai ve » dap ve, dau ve, dai va
di ve » de ve, do ve, di le

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y lang ha hoi. hiem he nam thu ((van anh) OR (van thanh)) ((di ve) or (dai ve)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y lang ha hoi. hiem he nam thu ((van anh) OR (van thanh)) ((di ve) OR (dai ve)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y lang ha hoi. hiem he nam thu ((van anh) OR (van thanh)) ((di ve) or (dai ve)) triet".
• Adding a wildcard symbol may retrieve word variants: so sach y lang ha hoi. hiem he nam thu ((van anh) OR (van thanh)) ((di ve) or (dai ve)) triet*.