Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
truc van » truc va, thuc van, truc ban
thai cua » than cua, tai cuc, tri cua
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
tuc van » thuc van, tuc va, duc van
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 (thuat toan)) ky nang x hoi. hieu ve cham ((tuc van) OR (truc van)) thanh thai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thuat toan)) ky nang x hoi. hieu ve cham ((tuc van) OR (truc van)) thanh thai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thuat toan)) ky nang x hoi. hieu ve cham ((tuc van) OR (truc van)) thanh thai cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thuat toan)) ky nang x hoi. hieu ve cham ((tuc van) OR (truc van)) thanh thai cua te*.