Perhaps you should try some spelling variations:
thien van » thi van
huong doi » huong dan, trong doi, dung doi
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
cua van » cua ban, cua vat, cua dan
hanh di » hanh de, hang di, danh di
y nang » ky nang, ly nang, v nang
cua te » cua tu

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 y nang xa hoi. thien van nam cua van ((((hanh di) OR (hanh vi))) or (huong doi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. thien van nam cua van ((((hanh di) OR (hanh vi))) OR (huong doi)) cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. thien van nam cua van ((((hanh di) OR (hanh vi))) or (huong doi)) cua te*".