Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
tinh voi » trinh voi, tinh doi, binh voi
cap nuoc » dat nuoc
hieu van » hieu va, thien van, lieu va
cac xuc » cam xuc, cac nuoc, chat xuc
voi cua » hoi cua, doi cua, moi cua
nang xa » nang x, lang xa, nang ma
tu sach » su sach, te sach, tu cach
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) or (tu sach)) ky nang xa hoi. hieu van ((cac xuc) or (cap nuoc)) may tinh voi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) ky nang xa hoi. hieu van ((cac xuc) OR (cap nuoc)) may tinh voi cua te.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (tu sach)) ky nang xa hoi. hieu van ((cac xuc) or (cap nuoc)) may tinh voi cua te*.