Perhaps you should try some spelling variations:
phap thuc » phap thu, phap hoc, phap tu
gian cua » ban cua
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
ky danh » ky anh, ky dang
danh xa » danh ca, dinh xa, canh xa
hieu va » lieu va, hieu qua
va phap » va phat, ban phap
thuc va » thuc vat, thuc dan, thuc day
va dan » ca dan, va dao, va dau

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 ky danh xa hoi. hieu va phap thuc va dan ((gian cua) or (gian xu)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky danh xa hoi. hieu va phap thuc va dan ((gian cua) OR (gian xu)) tu.
• Adding a wildcard symbol may retrieve word variants: so sach ky danh xa hoi. hieu va phap thuc va dan ((gian cua) or (gian xu)) tu*.