Perhaps you should try some spelling variations:
de triet » ve triet, de thiet, su triet
ha thanh » va thanh, pham thanh, phan thanh
xa thanh » va thanh, ta thanh, gia thanh
va cham » va chat, va tham
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ve cham » ve chat, vu cham, ve chim
dang ha » dong ha, dung ha, lang ha
ky dang » ky nang, ky danh
ha hoi » hoa hoi, ha noi, xa hoi
dat de » vat de, dat ve, hat de

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 ky dang ha hoi. hieu ((ve cham) or (va cham)) tuc ((xa thanh) OR (ha thanh)) dat de triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang ha hoi. hieu ((ve cham) OR (va cham)) tuc ((xa thanh) OR (ha thanh)) dat de triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky dang ha hoi. hieu ((ve cham) or (va cham)) tuc ((xa thanh) OR (ha thanh)) dat de triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang ha hoi. hieu ((ve cham) or (va cham)) tuc ((xa thanh) OR (ha thanh)) dat de triet*.