Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
vat tinh » sat tinh, vat sinh, hoat tinh
cam thuc » am thuc, nam thuc, cam thu
tinh vi » trinh vi, tinh voi, tinh va
hieu ve » hieu va, hieu van
su sach » so sach, vu sach
so sanh » do sanh
_ lang » o lang, _ land
y lang » o lang, tay lang, yen lang
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua

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) or (so sanh)) ((y lang) OR (_ lang)) xa hoi. hieu ve cam thuc vat tinh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) ((y lang) OR (_ lang)) xa hoi. hieu ve cam thuc vat tinh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sanh)) ((y lang) OR (_ lang)) xa hoi. hieu ve cam thuc vat tinh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) ((y lang) OR (_ lang)) xa hoi. hieu ve cam thuc vat tinh vi cua triet*.