Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
thanh vai » thanh hai, thanh van, thanh tai
doc sach » hoc sach, toc sach, nuoc sach
va thanh » gia thanh, ban thanh, va tinh
vai cua » dai cua, hai cua, lai cua
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
cac lo » cac lop, cac co, cac ho
cac bo » bac bo, cac co
cua tu » cua tuc, cua su, cua cu

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 (doc sach)) ky lang xa hoi. hieu hien ((cac lo) or (cac bo)) va thanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (doc sach)) ky lang xa hoi. hieu hien ((cac lo) OR (cac bo)) va thanh vai cua tu.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (doc sach)) ky lang xa hoi. hieu hien ((cac lo) or (cac bo)) va thanh vai cua tu*.