Perhaps you should try some spelling variations:
toan thanh » tran thanh, hoan thanh, toan thang
thuat sach » thuat lanh, thuat san
thanh sang » thanh san, thanh hang, thanh hoang
duc toan » duc tan, duc ton, duc hoan
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: thuat sach ((ty nang) or (ky nang)) xa hoi. hieu ve cac duc toan thanh sang cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ((ty nang) OR (ky nang)) xa hoi. hieu ve cac duc toan thanh sang cua te.
• Adding a wildcard symbol may retrieve word variants: thuat sach ((ty nang) or (ky nang)) xa hoi. hieu ve cac duc toan thanh sang cua te*.