Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
tu sach » thu sach, su sach, tu cach
cao suc » cao su, cao duc
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
te sach » toc sach
ma hoi » mai hoi, xa hoi, ma hoa
cuc te » cua te, cuc thue, cuc tieu

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) OR (te sach)) ty nang ma hoi. hieu ve ((cam duc) or (cao suc)) ban thanh tai cuc te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ty nang ma hoi. hieu ve ((cam duc) OR (cao suc)) ban thanh tai cuc te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ty nang ma hoi. hieu ve ((cam duc) or (cao suc)) ban thanh tai cuc te".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) ty nang ma hoi. hieu ve ((cam duc) or (cao suc)) ban thanh tai cuc te*.