Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
cua triet » cua viet, su triet, va triet
quang xa » quan xa, quang ma, quang va
va thanh » gia thanh, ban thanh, va tinh
sach ly » sach y, sach lo, sach hay
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
cac tu » cac thu, cach tu, cac du

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ly) or (sach ty)) quang xa hoi. hieu ve cac tu va thanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ly) OR (sach ty)) quang xa hoi. hieu ve cac tu va thanh dai cua triet.
• Adding a wildcard symbol may retrieve word variants: su ((sach ly) or (sach ty)) quang xa hoi. hieu ve cac tu va thanh dai cua triet*.