Perhaps you should try some spelling variations:
van chat » cao chat
chat huu » pham huu
su sach » so sach, vu sach
ly nang » ky nang, ly hang, ly vang
hieu va » lieu va, hieu qua
y nang » ky nang, v nang, may nang
tac va » tac xa, tuc va, tac ha
huu te » huu tu, huu them, huu tien

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((y nang) or (ly nang)) xa hoi. hieu va cac ((tac va) or (tac da)) van chat huu te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (ly nang)) xa hoi. hieu va cac ((tac va) OR (tac da)) van chat huu te.
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) or (ly nang)) xa hoi. hieu va cac ((tac va) or (tac da)) van chat huu te*.