Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
thu sach » thuat sach, thuoc sach, thu hoach
chat huu » pham huu
chat xuc » cam xuc, chao xu, chat cua
tinh vi » trinh vi, tinh voi, tinh va
va tinh » may tinh
tu sach » su sach, te sach, tu cach
nang xa » nang x, lang xa, nang ma
tu nang » tru nang, tu nong, tu nano
lua tre » cua tre, luy tre, dua tren
vi lua » vi luu

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)) tu nang xa hoi. hieu van ((chat xuc) or (chat huu)) va tinh vi lua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) tu nang xa hoi. hieu van ((chat xuc) OR (chat huu)) va tinh vi lua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) tu nang xa hoi. hieu van ((chat xuc) or (chat huu)) va tinh vi lua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) tu nang xa hoi. hieu van ((chat xuc) or (chat huu)) va tinh vi lua tre*.