Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh do
cau theo » cau thi, cau tao
chat tuc » chat xuc, luat tuc, chat huu
thanh di » thanh de, thanh do, thanh dinh
te sach » toc sach
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
vu sach » vu bach, su sach, vu khach
ve chat » va chat, van chat
tuc va » thuc va, truc va, tuc xa
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (vu sach)) ky nang ma hoi. hieu ve chat tuc va ((thanh di) OR (thanh doi)) cau theo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (vu sach)) ky nang ma hoi. hieu ve chat tuc va ((thanh di) OR (thanh doi)) cau theo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (vu sach)) ky nang ma hoi. hieu ve chat tuc va ((thanh di) OR (thanh doi)) cau theo".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (vu sach)) ky nang ma hoi. hieu ve chat tuc va ((thanh di) OR (thanh doi)) cau theo*.