Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
thu sach » thuat sach, thuoc sach, khau sach
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
cau tren » cu tren, dau tren, ca tren
tu sach » su sach, te sach, tu cach
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
cam luc » cam xuc, cau luc
vai cau » va cau, van cau, vai cac
luc va » duc va, tuc va, loc va

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 (thu sach))) or (thu hoach)) ky nang xa hoi. hieu van cam luc va thanh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (thu sach))) OR (thu hoach)) ky nang xa hoi. hieu van cam luc va thanh vai cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tu sach) OR (thu sach))) or (thu hoach)) ky nang xa hoi. hieu van cam luc va thanh vai cau tren".
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) OR (thu sach))) or (thu hoach)) ky nang xa hoi. hieu van cam luc va thanh vai cau tren*.