Perhaps you should try some spelling variations:
tham tang » nham tang, thai tang, tham lang
sach tham » sach nha
hieu van » hieu va, thien van, lieu va
cham xuc » cam xuc, cham soc, pham duc
chat xuc » chat huu, cam xuc, chao xu
tu sach » thu sach, su sach, te sach
tang ma » mang may, tang van
tai va » thai va, tri va, dai va
ma hoi » mai hoi, xa hoi, ma hoa
va han » va phan, van han, va hanh
thiet » thieu

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 tham tang ma hoi. hieu van ((cham xuc) OR (chat xuc)) va han ((tai va) or (mai va)) thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tham tang ma hoi. hieu van ((cham xuc) OR (chat xuc)) va han ((tai va) OR (mai va)) thiet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tham tang ma hoi. hieu van ((cham xuc) OR (chat xuc)) va han ((tai va) or (mai va)) thiet".
• Adding a wildcard symbol may retrieve word variants: tu sach tham tang ma hoi. hieu van ((cham xuc) OR (chat xuc)) va han ((tai va) or (mai va)) thiet*.