Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
duc van » duc va, duc tan, duc manh
ban vai » ban va, ban gai, ban tai
vai cua » dai cua, hai cua, lai cua
y nang » ky nang, ly nang, v nang
va cam » va cao, va cai, va cau
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 y nang xa hoi. lieu ((((va cam) OR (va cac))) or (va cham)) duc van ban vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang xa hoi. lieu ((((va cam) OR (va cac))) OR (va cham)) duc van ban vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang xa hoi. lieu ((((va cam) OR (va cac))) or (va cham)) duc van ban vai cua te".
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang xa hoi. lieu ((((va cam) OR (va cac))) or (va cham)) duc van ban vai cua te*.