Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh doi » thanh doi, hanh noi, hang doi
doi cua » dai cua, hoi cua
sach ly » sach y, sach lo, sach ty
vu sach » vu bach, su sach, vu khach
lang ha » long ha
lang xa » dang xay, lang van
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam

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 ly ((lang xa) OR (lang ha)) hoi. hieu ve cam ((duc va) or (thuc vat)) hanh doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ly ((lang xa) OR (lang ha)) hoi. hieu ve cam ((duc va) OR (thuc vat)) hanh doi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ly ((lang xa) OR (lang ha)) hoi. hieu ve cam ((duc va) or (thuc vat)) hanh doi cua triet".
• Adding a wildcard symbol may retrieve word variants: vu sach ly ((lang xa) OR (lang ha)) hoi. hieu ve cam ((duc va) or (thuc vat)) hanh doi cua triet*.