Perhaps you should try some spelling variations:
thanh sang » thanh san, thanh hang, thanh hoang
tan thanh » tran thanh, tang thanh, toan thanh
thu sach » tu sach, thuat sach, thuoc sach
sang cua » mang cua, song cua, hang cua
ty nang » ty xang, ty hang, ly nang
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
ve cac » va cac, vien cac
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((ty nang) OR (ky nang)) xa hoi. hieu ve cac duc tan thanh sang cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((ty nang) OR (ky nang)) xa hoi. hieu ve cac duc tan thanh sang cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach ((ty nang) OR (ky nang)) xa hoi. hieu ve cac duc tan thanh sang cua te*.