Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
thu sach » thuat sach, thuoc sach, thu hoach
ban hanh » ban hang
su triet » su viet, su tien, ve triet
tu sach » su sach, te sach, tu cach
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
y nang » ky nang, ly nang, v nang
vi su » va su, ve su, ki 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) OR (thu sach)) y nang x ho. hieu ve chat xuc ((van ban) or (ban hanh)) vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y nang x ho. hieu ve chat xuc ((van ban) OR (ban hanh)) vi su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) y nang x ho. hieu ve chat xuc ((van ban) or (ban hanh)) vi su triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) y nang x ho. hieu ve chat xuc ((van ban) or (ban hanh)) vi su triet*.