Perhaps you should try some spelling variations:
manh hanh » danh thanh, minh thanh, manh huynh
xanh hanh » danh thanh, ban hanh, van hanh
cam viet » cham viet, ca viet, cao viet
cham duc » cham soc, pham duy, phan duc
lai cam » lai nam, lai tam, lai chau
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
xang x » nang x
x hoi » xa hoi, o hoi, x ho

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 ty xang x hoi. hieu va ((cham duc) or (pham duc)) ((manh hanh) OR (xanh hanh)) lai cam viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty xang x hoi. hieu va ((cham duc) OR (pham duc)) ((manh hanh) OR (xanh hanh)) lai cam viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty xang x hoi. hieu va ((cham duc) or (pham duc)) ((manh hanh) OR (xanh hanh)) lai cam viet".
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang x hoi. hieu va ((cham duc) or (pham duc)) ((manh hanh) OR (xanh hanh)) lai cam viet*.