Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
lanh hai » manh hai, lang chai, lanh dao
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
lam xuc » lam duoc
sach ty » sach y, sach tu, sach thu
cua su » qua su

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 ty nang xa hoi. lieu va ((lam xuc) OR (cam xuc)) va ((lanh hai) or (thanh hai)) cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. lieu va ((lam xuc) OR (cam xuc)) va ((lanh hai) OR (thanh hai)) cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xa hoi. lieu va ((lam xuc) OR (cam xuc)) va ((lanh hai) or (thanh hai)) cua su".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. lieu va ((lam xuc) OR (cam xuc)) va ((lanh hai) or (thanh hai)) cua su*.