Perhaps you should try some spelling variations:
tinh thai » sinh thai, tinh toan, tinh chat
tinh tai » trinh tai, tinh hai, hinh tai
cham luc » cham soc, nhan luc, cham cuu
te sach » toc sach
sach ty » sach y, sach tu, sach thu
cuc tre » duc tre, cuu tre, cuc thue
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
dang xa » dang xay, lang xa, dang ha
ty dang » ty xang, ky dang, ty hang
cua tre » cua te, cuu tre, cua triet
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty dang xa hoi. hieu ve cham luc va ((tinh tai) OR (tinh thai)) ((cuc tre) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty dang xa hoi. hieu ve cham luc va ((tinh tai) OR (tinh thai)) ((cuc tre) OR (cua tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty dang xa hoi. hieu ve cham luc va ((tinh tai) OR (tinh thai)) ((cuc tre) or (cua tre))".
• Adding a wildcard symbol may retrieve word variants: te sach ty dang xa hoi. hieu ve cham luc va ((tinh tai) OR (tinh thai)) ((cuc tre) or (cua tre))*.